Question
Select the correct statements regarding cell membrane in eukaryotic cell.
A. Membrane of human RBCs has approximately 52% protein.
B. Major phospholipids are arranged in a bilayer.
C. Extensions of the plasma membrane into the cell form mesosomes.
D. Tails towards the inner part of lipids are hydrophobic and thus protected from aqueous medium.
E. Glycocalyx is present on the outer surface of the plasma membrane.
Choose the correct answer from the options given below:
Options
Solution
Sol. [Key Concept: Fluid-mosaic structure of the cell membrane]
• In prokaryotes, extensions of plasma membrane into the cell form mesosomes. Eukaryotes lack such structure.
- Glycocalyx is present on the outer surface of the plasma membrane in prokaryotes. Eukaryotes do not have glycocalyx.
Hence, only statement A, B and D are correct.
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